Answers

Subtract 9/72 from 5/7

5/7 - 9/72 is 33/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 7 × 72 = 504,
   5/7 = 5 × 72/7 × 72 = 360/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   9/72 = 9 × 7/72 × 7 = 63/504
4. Subtract the two like fractions:
   360/504 - 63/504 = 360 - 63/504 = 297/504
5. After reducing the fraction, the answer is 33/56

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